xloader | 17c043ba55fafd013b55f51874cb0d620669ca68e9a0ad2f78dbea8fafffddc6

General

Target

pay.exe
Size

493KB
MD5

d08e51116e789fa67fd4d535ad4f399b
SHA1

1d7d28fb75910f580d75167c0b30ebadd79fe8ca
SHA256

7deecd8502e99ced6aec8588840f7e972a3b030c19e0e88ef94ec3a9d2ababc9
SHA512

6a576a4765cd48138989742cad201abc09941290d70459b13e9dbe3680fe6b291a4a422fbc7dfc4c26e0b554794015194f78c6d2e2082053ba9c1a2a9313bfa1

Score

10^/10

xloader t75f loader rat

Malware Config

Extracted

Family

xloader

Version

2.4

Campaign

t75f

C2

http://www.438451.com/t75f/

Decoy

ice-lemon.pro

ar3spro.cloud

9055837.com

fucksociety.net

prettyofficialx.com

mfxw.xyz

relationshipquiz.info

customia.xyz

juanayjuan.com

zidiankj.com

facture-booking.com

secondmining.store

aboutyou.club

gongxichen.com

laurabraincreative.com

pierrot-bros.com

saintpaulaccountingservices.com

dom-maya.com

garderobamarzen.net

la-salamandre-assurances.com

Signatures

Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/584-59-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/584-60-0x000000000041D410-mapping.dmp	xloader
behavioral1/memory/844-67-0x00000000000C0000-0x00000000000E9000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

Processes:

pay.exeRegSvcs.exewininit.exe

description	pid	process	target process
PID 820 set thread context of 584	820	pay.exe	RegSvcs.exe
PID 584 set thread context of 1248	584	RegSvcs.exe	Explorer.EXE
PID 844 set thread context of 1248	844	wininit.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 24 IoCs

Processes:

pay.exeRegSvcs.exewininit.exe

pid	process
820	pay.exe
820	pay.exe
584	RegSvcs.exe
584	RegSvcs.exe
844	wininit.exe
844	wininit.exe
844	wininit.exe
844	wininit.exe
844	wininit.exe
844	wininit.exe
844	wininit.exe
844	wininit.exe
844	wininit.exe
844	wininit.exe
844	wininit.exe
844	wininit.exe
844	wininit.exe
844	wininit.exe
844	wininit.exe
844	wininit.exe
844	wininit.exe
844	wininit.exe
844	wininit.exe
844	wininit.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

RegSvcs.exewininit.exe

pid process

584 RegSvcs.exe
584 RegSvcs.exe
584 RegSvcs.exe
844 wininit.exe
844 wininit.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

pay.exeRegSvcs.exewininit.exe

description pid process

Token: SeDebugPrivilege 820 pay.exe
Token: SeDebugPrivilege 584 RegSvcs.exe
Token: SeDebugPrivilege 844 wininit.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1248 Explorer.EXE
1248 Explorer.EXE
1248 Explorer.EXE
1248 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1248 Explorer.EXE
1248 Explorer.EXE
1248 Explorer.EXE
1248 Explorer.EXE

pid	process
584	RegSvcs.exe
584	RegSvcs.exe
584	RegSvcs.exe
844	wininit.exe
844	wininit.exe

description	pid	process
Token: SeDebugPrivilege	820	pay.exe
Token: SeDebugPrivilege	584	RegSvcs.exe
Token: SeDebugPrivilege	844	wininit.exe

pid	process
1248	Explorer.EXE
1248	Explorer.EXE
1248	Explorer.EXE
1248	Explorer.EXE

pid	process
1248	Explorer.EXE
1248	Explorer.EXE
1248	Explorer.EXE
1248	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

pay.exeExplorer.EXEwininit.exe

description	pid	process	target process
PID 820 wrote to memory of 584	820	pay.exe	RegSvcs.exe
PID 820 wrote to memory of 584	820	pay.exe	RegSvcs.exe
PID 820 wrote to memory of 584	820	pay.exe	RegSvcs.exe
PID 820 wrote to memory of 584	820	pay.exe	RegSvcs.exe
PID 820 wrote to memory of 584	820	pay.exe	RegSvcs.exe
PID 820 wrote to memory of 584	820	pay.exe	RegSvcs.exe
PID 820 wrote to memory of 584	820	pay.exe	RegSvcs.exe
PID 820 wrote to memory of 584	820	pay.exe	RegSvcs.exe
PID 820 wrote to memory of 584	820	pay.exe	RegSvcs.exe
PID 820 wrote to memory of 584	820	pay.exe	RegSvcs.exe
PID 1248 wrote to memory of 844	1248	Explorer.EXE	wininit.exe
PID 1248 wrote to memory of 844	1248	Explorer.EXE	wininit.exe
PID 1248 wrote to memory of 844	1248	Explorer.EXE	wininit.exe
PID 1248 wrote to memory of 844	1248	Explorer.EXE	wininit.exe
PID 844 wrote to memory of 900	844	wininit.exe	cmd.exe
PID 844 wrote to memory of 900	844	wininit.exe	cmd.exe
PID 844 wrote to memory of 900	844	wininit.exe	cmd.exe
PID 844 wrote to memory of 900	844	wininit.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1248

C:\Users\Admin\AppData\Local\Temp\pay.exe
"C:\Users\Admin\AppData\Local\Temp\pay.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:820

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:584

C:\Windows\SysWOW64\wininit.exe
"C:\Windows\SysWOW64\wininit.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:844

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
PID:900

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/584-59-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/584-61-0x0000000000AC0000-0x0000000000DC3000-memory.dmp

Filesize
3.0MB

Download
memory/584-62-0x00000000001E0000-0x00000000001F1000-memory.dmp

Filesize
68KB

Download
memory/584-60-0x000000000041D410-mapping.dmp

Download
memory/820-58-0x0000000001E60000-0x0000000001E8B000-memory.dmp

Filesize
172KB

Download
memory/820-53-0x00000000003C0000-0x00000000003C1000-memory.dmp

Filesize
4KB

Download
memory/820-57-0x0000000004EE0000-0x0000000004F3C000-memory.dmp

Filesize
368KB

Download
memory/820-56-0x0000000000460000-0x0000000000467000-memory.dmp

Filesize
28KB

Download
memory/820-55-0x0000000004CE0000-0x0000000004CE1000-memory.dmp

Filesize
4KB

Download
memory/844-64-0x0000000000000000-mapping.dmp

Download
memory/844-67-0x00000000000C0000-0x00000000000E9000-memory.dmp

Filesize
164KB

Download
memory/844-66-0x00000000021F0000-0x00000000024F3000-memory.dmp

Filesize
3.0MB

Download
memory/844-65-0x0000000000DD0000-0x0000000000DEA000-memory.dmp

Filesize
104KB

Download
memory/844-69-0x0000000000870000-0x0000000000900000-memory.dmp

Filesize
576KB

Download
memory/900-68-0x0000000000000000-mapping.dmp

Download
memory/1248-63-0x0000000006B30000-0x0000000006C7A000-memory.dmp

Filesize
1.3MB

Download
memory/1248-70-0x0000000006E90000-0x0000000006FC5000-memory.dmp

Filesize
1.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads